Home / 61,331.25-84,638.95-36,180.75

Finding the Fourth Proportional to 61,331.25, 84,638.95 and 36,180.75

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Solution

The fourth proportional to 61,331.25, 84,638.95 and 36,180.75 is: 49,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,331.25 : 84,638.95 = 36,180.75 : x
  2. Step 2: Convert to fraction form
    61,331.25/84,638.95 = 36,180.75/x
  3. Step 3: Cross multiply
    61,331.25x = 84,638.95 × 36,180.75
  4. Step 4: Simplify right side
    61,331.25x = 3,062,300,599.76
  5. Step 5: Solve for x
    x = 3,062,300,599.76/61,331.25
  6. Step 6: Final answer
    x = 49,930.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.